@article{55591, author = {John Kasianowicz and D Burden and L Han and S Cheley and H Bayley}, title = {Genetically Engineered Metal Ion Binding Sites on the Outside of a Channel's Transmembrane Β-Barrel}, year = {1999}, number = {76}, month = {1999-02-01}, publisher = {Biophysical Journal}, language = {en}, }